Malicious PDF — malware analysis report

Static analysis result for SHA-256 69845a9325ff1953…

MALICIOUS

PDF

72.4 KB Created: 2021-02-24 00:24:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 9b06b2a82bc83c3b879a94d34e8f05e6 SHA-1: 50e7e1879df90787374548102bfbcca40ca81158 SHA-256: 69845a9325ff19533e488dcaac89fbc449d3d6a16c61f99706ff408fa2b83b92
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://jottigo.ru/wix?keyword=onn+bluetooth+earbuds+review PDF link annotation
    • https://cdn.sqhk.co/vumojakizaw/hujfjb7/gipolusanadagaxibo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422390/normal_5ffdad8c79dab.pdfIn PDF document text
    • http://idealicacolumbia.site/bandook_chalegi_2_video_mein_mp46f2l0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461525/normal_60216bbd031e9.pdfIn PDF document text
    • https://cdn.sqhk.co/tinulafi/doOtxTQ/79736050553.pdfIn PDF document text
    • http://hiziryigit.online/roxekaxulopivarojilizopoyt5.pdfIn PDF document text
    • http://freshnatur.fun/20252803270u8atf.pdfIn PDF document text
    • https://cdn.sqhk.co/pefisemise/ijebpMV/1368314788.pdfIn PDF document text
    • https://cdn.sqhk.co/vimanagadu/zhhjghh/ruvoxafog.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/fobupojowojon/fuxezosijosanon.pdfIn PDF document text
    • https://s3.amazonaws.com/nijudow/crazy_frog_dance_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/serogajugomiji/wekawexuxufuguf.pdfIn PDF document text
    • https://s3.amazonaws.com/wakuzidi/lefabikuboke.pdfIn PDF document text
    • https://s3.amazonaws.com/xepululejiwof/what_is_the_best_way_to_cook_a_turkey_in_an_electric_roaster.pdfIn PDF document text
    • https://s3.amazonaws.com/forupokisip/63220423991.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d1ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1EA 5116 bytes
SHA-256: 7ed3ba3264c06dd754f83119808e3f4cd77b92ed5a250112b42719a1b45c43c1
font_01_sfnt_off0000e34d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE34D 10280 bytes
SHA-256: 0736658087cde573780e806488ebc616907e9432ae7bd29e78a8d18622224831
font_02_sfnt_off00010677.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10677 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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